含有粗大的铁素体晶粒和残留的热轧织构，引起力学性能的各向异性，导致了抗拉强度和延伸率的降低。
Big ferrites and hot rolling texture are left behind in particle structures, Which leads the anisotropy of mechanics, so the tensile strength and elongation rate reduce.
从混凝土磨蚀和力学性能试验得知，水工混凝土的磨蚀程度依赖于混凝土的初始磨损率，抗拉强度和极限拉伸变形值。
Abrasion and mechanical properties test of concrete have shown that the degree of abrasion dependent on initial abrasion ratio, flexural strength and limit strain.
介绍不确定度的基本概念和数学模型，并对材料力学性能测试中常见的钢筋抗拉强度检测中的不确定度进行了简要的分析和评定。
This paper introduced the basic concept of uncertain degree and its mathematics model, and evaluated uncertain degree in tensile strength measure of reinforcing steel bar in material mechanics.
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